273389 has 4 divisors (see below), whose sum is σ = 282240. Its totient is φ = 264540.

The previous prime is 273367. The next prime is 273433. The reversal of 273389 is 983372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4379 + ... + 4440.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

2²⁷³³⁸⁹ is an apocalyptic number.

It is an amenable number.

273389 is a deficient number, since it is larger than the sum of its proper divisors (8851).

273389 is an equidigital number, since it uses as much as digits as its factorization.

273389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8850.

The product of its digits is 9072, while the sum is 32.

The square root of 273389 is about 522.8661396572. The cubic root of 273389 is about 64.9023385458.

The spelling of 273389 in words is "two hundred seventy-three thousand, three hundred eighty-nine".